EASY
Earn 100

What is meant by specific heat of vaporization?

Important Questions on Thermal Properties of Matter

MEDIUM
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
Why the specific latent heat of vaporisation of water is much greater than the specific latent heat of fusion of ice.
MEDIUM
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
One feels cold after a thorough drenching. Why do you feel colder when you stand below a revolving ceiling fan? Explain.
EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
Explain the role of latent heat in the change of state of a substance?
MEDIUM
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
Energy is provided to a liquid at its boiling point at a rate of P joules per second. The rate at which mass is boiling away is μ kg per second. What is the specific latent heat of vaporisation of the liquid? 
MEDIUM
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat

Question Image  

Identify the part representing latent heat of vaporization in the temperature vs heat graph for melting of ice.

EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
Define specific latent heat capacity.
EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
Explain why the definition of specific latent heat of fusion includes the phrase "at its melting point". 
 
EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
What is meant by latent heat? How will the state of matter transform if latent heat is given off?
MEDIUM
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat

Question Image  

Identify the part representing latent heat of fusion in the temperature vs heat graph for melting of ice.

EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat

Write the quadrants in which the following points lie:

-4,7

EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat

Explain the following equation to show the meaning of each symbol. Give the unit of each quantity.

Energy=mL

EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat

Define Specific latent heat of fusion.

EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
Is the concept of latent heat applicable during transformation of gaseous phase to liquid phase and from liquid phase to solid phase?
MEDIUM
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
It takes 4500 J to turn  2 g of water at 100 °C into steam. Calculate the latent specific heat of vaporization of water.
MEDIUM
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
Liquid ammonia is used in an ice factory for making ice from water. If the water at 20 ℃ is to be converted into 2 kg ice at 0 ℃, how many grams of ammonia is to be evaporated?(Given: The latent heat of vaporization of ammonia =341 cal/g)
MEDIUM
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
How much heat is required to convert 5 g of ice at 0 °C into 5 g of water at 0 °C?
EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
Cotyledons are also called-
MEDIUM
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat

Explain the following temperature vs time graph.

Question Image

EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat
Where does the latent heat go during these transformations?
EASY
Physics>Thermal Physics>Thermal Properties of Matter>Latent Heat

Define Specific latent heat of vaporisation.